<div class="modal-header">
    <button type="button" class="close" data-dismiss="modal" ng-click="cancel()">&times;</button>
    <p class="modal-title panel-title-size">监控</p>
</div>
<div class="modal-body panel-body">
    <div id="img_cpu" style="height: 250px"></div>
    <div id="img_net" style="height: 250px"></div>
</div>
<div class="modal-footer">
    <button class="btn btn-default" ng-click="cancel()">取消</button>
</div>